Battle of Mühlberg
1547 CE.
Shown on the map at 51.433°, 13.217°.
The Battle of Mühlberg took place near Mühlberg in the Electorate of Saxony in 1547, during the Schmalkaldic War. The Catholic princes of the Holy Roman Empire led by the Holy Roman Emperor Charles V decisively defeated the Lutheran Schmalkaldic League of Protestant princes under the command of Elector John Frederick I of Saxony and Landgrave Philip I of Hesse. The battle ended the Schmalkaldic war and led to the dissolution of the Schmalkaldic League.
Text from the Wikipedia article Battle of Mühlberg, licensed CC BY-SA 4.0.